What is ASN AS138164?

ASN AS138164 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS138164?

AS138164 is listed under Macau University of Science and Technology.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS138164 Macau University of Science and Technology

ASN Lookup Tool

Macau University of Science and Technology must.edu.mo

MO 4 Routes

AS Data

AS138164

AS138164 – Macau University of Science and Technology

AS Number	138164
AS Name	MUST-AS-AP
Organization	Macau University of Science and Technology(org-muos1-ap)
Country	MO
Website	must.edu.mo
Number of IPv4 Routes	2
Number of IPv6 Routes	2
ASN type	EDUCATION
Registry	APNIC
Date Allocated	N/A

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Use ASN data for AS138164 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.240.56.0/23	AS138164	Macau University of Science and Technology	Macau University of Science and Technology	512
103.88.176.0/22	AS138164	Macau University of Science and Technology	Macau University of Science and Technology	1024
2401:20e0::/32	AS138164	Macau University of Science and Technology	Macau University of Science and Technology	~79×10²⁷
240c::/48	AS138164	Macau University of Science and Technology	BII Group Holdings Ltd	~1×10²⁴

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS137530 - AS138553'

as-block:       AS137530 - AS138553
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2017-12-08T06:45:58Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS138164'

% Abuse contact for 'AS138164' is 'ito.network@must.edu.mo'

aut-num:        AS138164
as-name:        MUST-AS-AP
descr:          Macau University of Science and Technology
country:        MO
org:            ORG-MUOS1-AP
admin-c:        MUOS1-AP
tech-c:         MUOS1-AP
abuse-c:        AM2506-AP
mnt-lower:      MAINT-MUST-MO
mnt-routes:     MAINT-MUST-MO
mnt-by:         APNIC-HM
mnt-irt:        IRT-MUST-MO
last-modified:  2020-06-22T06:36:04Z
source:         APNIC

irt:            IRT-MUST-MO
address:        Avenida Wai Long, Block N, Room N419, Taipa, Macau, Macau
e-mail:         ito.network@must.edu.mo
abuse-mailbox:  ito.network@must.edu.mo
admin-c:        MUOS1-AP
tech-c:         MUOS1-AP
auth:           # Filtered
remarks:        ito.network@must.edu.mo was validated on 2026-02-25
mnt-by:         MAINT-MUST-MO
last-modified:  2026-02-25T03:46:40Z
source:         APNIC

organisation:   ORG-MUOS1-AP
org-name:       Macau University of Science and Technology
org-type:       LIR
country:        MO
address:        Avenida Wai Long, Block N, Room N419, Taipa, Macau
phone:          +853-88972080
e-mail:         it.lic@must.edu.mo
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:34Z
source:         APNIC

role:           ABUSE MUSTMO
country:        ZZ
address:        Avenida Wai Long, Block N, Room N419, Taipa, Macau, Macau
phone:          +000000000
e-mail:         ito.network@must.edu.mo
admin-c:        MUOS1-AP
tech-c:         MUOS1-AP
nic-hdl:        AM2506-AP
remarks:        Generated from irt object IRT-MUST-MO
remarks:        ito.network@must.edu.mo was validated on 2026-02-25
abuse-mailbox:  ito.network@must.edu.mo
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-25T03:47:07Z
source:         APNIC

role:           Macau University of Science and Technology adminis
address:        Avenida Wai Long, Block N, Room N419, Taipa, Macau, Macau
country:        MO
phone:          +853-88972080
fax-no:         +853-88972080
e-mail:         ito.network@must.edu.mo
admin-c:        MUOS1-AP
tech-c:         MUOS1-AP
nic-hdl:        MUOS1-AP
mnt-by:         MAINT-MUST-MO
last-modified:  2018-08-28T23:34:30Z
source:         APNIC

% Information related to 'AS137530 - AS138553'

as-block:       AS137530 - AS138553
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-16T12:29:14Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

Peers

AS Number	Description	Country
AS4609	Companhia de Telecomunicacoes de Macau	MO
AS4609	Companhia de Telecomunicacoes de Macau SARL	MO

Upstreams

AS Number	Description	Country
AS4609	Companhia de Telecomunicacoes de Macau	MO

Contacts

Email Contacts

hostmaster@idnic.net ito.network@must.edu.mo

Abuse Contacts

ito.network@must.edu.mo